briefing

noun
1
a meeting in which people are given instructions or information
جلسه توجیحی, جلسه آگاهی بخشی, جلسه توضیحی, نشست اطلاع‌رسانی
compare debriefing
2
the detailed instructions or information that are given to people in a meeting that has been called in order to give these instructions
جلسه توجیه, جلسه توجیهی
Captain Trent gave his men a full briefing.
a briefing session/paper